No snark here, I just try to understand how do different people read and understand a copy like this.
It is now taken offline due to too many "stupid people", as the last line says, apparently due to them vandalizing it :(
The menu which is shown now is much less helpful indeed.
post tldr - The terrible thing was this was painful to use and early on wikis had almost no structured data. So you have incredible amounts of useful information that mostly cannot be leveraged or processed efficiently because it’s a living nightmare to parse.
Over time things have improved. They added a wysiwyg editor so you don’t have to look at it. They’ve incrementally added ways to allow for documents and data to be more structured and parsable.
Not sure how far along everything is at present.